| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| n2o4 enthalpy of formation | 0.16 | 1 | 6756 | 34 | 26 |
| n2o4 | 1.95 | 0.7 | 1803 | 80 | 4 |
| enthalpy | 0.49 | 0.2 | 8174 | 76 | 8 |
| of | 0.35 | 0.6 | 5452 | 97 | 2 |
| formation | 0.66 | 0.9 | 6882 | 21 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| n2o4 enthalpy of formation | 1.65 | 0.2 | 7564 | 11 |
| standard enthalpy of formation for n2o4 | 1.96 | 0.4 | 5789 | 52 |
| n2o4 gas standard enthalpy of formation | 1.96 | 0.8 | 6111 | 83 |
| standard enthalpy of formation for n2o4 gas | 0.51 | 0.1 | 205 | 74 |
| n2o4 g standard enthalpy of formation | 1.11 | 0.1 | 5061 | 50 |
